Most of the Earth’s surface is covered by ocean.  This vast expanse of water still holds many mysteries.  One such mystery is what some people have dubbed the loneliest whale, or the 52-hertz whale.

Scientists may finally have an explanation for the longstanding mystery of why blue whale calves are rarely sighted, an advance that could help better conserve the critically endangered species. There ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate ...